Lexmark T642 Service Manual - Page 197

4061-xx0 Font Sharpening This setting allows a user to set a text point size below which the high frequency screens are used when printing font data. For example, at the default 24, all text in font sizes 24 and less will use the high frequency screens. The values for this setting range from 0 to 150, and the default value is 24. This setting affects PostScript, PCL, and XL. To change the value, select Font Sharpening from the CONFIG MENU, and use to increase the value. Select to accept the value. to decrease the value and LCD Brightness This setting allows the user to increase or decrease the brightness of the operator panel LCD. When the value is increased, the backlight shines brighter, and when the value is decreased, the backlight is dimmer. The operator panel responds immediately to the changes. Use to decrease the value and to increase the value. The values range from 1 to 10, and 5 is the default value. LCD Contrast When this setting is selected, the operator panel displays a gray bar with a slider representing the values. As the values are decreased, the bar appears darker, and when the values are increased, the bar appears lighter. Changes to this setting immediately change the operator panel. The range of values is between 1 and 10, and the default value is 5. Exit Config Menu Press to exit the CONFIG MENU. The message Resetting the Printer displays, and the printer performs a POR and restarts in normal mode. Additional useful menu locations User menus are available from the Ready state by pressing Menu ( ). Hex Trace To turn Hex Trace on: 1. Press Menu ( ) to display Menus. 2. Press until the appears next to Settings. 3. Press . 4. Press until the appears next to Utilities Menu. 5. Press . 6. Press until the appears next to Hex Trace. 7. Press . 8. Press Trace. again to select Activate, or press Back ( ) to return to Utilities Menu without activating Hex Diagnostic aids 3-29